Chemistry
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer with an example.
Chemical Reaction
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Answer
(a) A reaction in which two or more substances combine together to form a single substance is called a synthesis or combination reaction.
A + B ⟶ AB
(b) Synthesis is a direct combination reaction.
In the above reaction, substances A and B combine to give a molecule of a new substance, AB (Product).
For example, carbon burns in oxygen to form a gaseous compound, carbon dioxide.
C + O2 CO2 ↑
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Related Questions
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical changes involved in the two cases.
Explain the following chemical changes by giving one example of each:
(a) Double decomposition
(b) Thermal dissociation
(c) Reversible reaction
(d) Displacement
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(a) Define neutralization reaction with an example.
(b) Give a balanced equation for this reaction.
(c) Give three applications of neutralization reactions.